tree 9f53973acf7080790ec18984a9eb4a1005bb2875
parent b22b4cdd53f5e1ee9ef1ef7933ddb77065859d05
author Oleg Nesterov <oleg@tv-sign.ru> 1159520424 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> 1159546694 -0700

[PATCH] elf_core_dump: don't take tasklist_lock

do_each_thread() is rcu-safe, and all tasks which use this ->mm must sleep
in wait_for_completion(&mm->core_done) at this point, so we can use RCU
locks.

Also, remove unneeded INIT_LIST_HEAD(new) before list_add(new, head).

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>